change measurement units

Settings/preferences screen for a caffeine tracking app featuring a subscription upsell banner (“Join the Caffeine Club”) with a primary “Become a Member” CTA. Users can choose a theme color/style and access configuration items like drink library, measurement units, bedtime, and daily caffeine limit via list rows.

Settings screen for choosing measurement units, showing a list of volume options (US oz, UK oz, ml, L) with a checkmark indicating the selected unit and a back button to return. Includes an example row demonstrating how the chosen unit affects displayed quantities in the app.